Except for the multi pole power switch, your board seems very similar to a Cemont control board.
I diagrammed this one years ago.
I diagrammed this one years ago.
Welcome Roger - glad to hear you’ve found being here useful. See you soon on 8090.
I'm not sure. The cap is across the relay coil, in series with the 22 Ohm resistor, rather than across the supply, so I don't know the exact boost it would give to the rms voltage. I think the 18v relay will not pull in with only a 12v transformer.@eddie49 Would it not be better to use a 12V transformer, for the reasons that you state?
Thank you for the diagram. I did find the same board in a Giant 195 MIG - post #9:Except for the multi pole power switch, your board seems very similar to a Cemont control board.
I diagrammed this one years ago.